Energy production device



FIG. 1 is a front, left perspective view of an energy production device showing my new design;

FIG. 2 is a front elevational view of the energy production device;

FIG. 3 is a rear elevational view of the energy production device;

FIG. 4 is a left side view of the energy production device; and,

FIG. 5 is a right side view of the energy production device.

The top and bottom surfaces are flat and unornamented.

The broken lines shown represent unclaimed subject matter and form no part of the claimed design. 

The ornamental design for an energy production device, as shown and described. 